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Topic: The Six Mega-trajectories of Biological Evolution --Are We Entering the Seventh?
Message: Posted by: panlives (Sep 11, 2011 10:06AM)

1. From the origin of life to the ”Last Common Ancestor"
2. Prokaryote diversification
3. Unicellular eukaryote diversification
4. Multicellularity
5. Invasion of the land
6. Appearance of intelligence and technology.>>